<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 21:05:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="20.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 21:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612905092105001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.772" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.126" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="200.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="200.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.883" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="224.264" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="197.450" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.668" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.051" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.374" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.530" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.890" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.500" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="108">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 203.750 202.500 202.500 203.333 204.167 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 205.000 206.667 208.333 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 225.000 225.000 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 232.500 232.500 235.000 237.500 237.500 237.500 240.000 240.000 240.000 242.500 242.500 245.000 247.500 250.000 250.000 252.500 255.000 257.500 260.000 262.500 265.000 270.000 277.500 279.052 281.081 283.846 287.839 294.109 305.380 331.609
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
21 24 36 36 60 63 66 63 66 69 72 69 81 75 0 72 96 84 0 78 81 78 69 69 54 54 60 60 60 57 45 57 60 57 54 45 75 66 51 42 57 57 78 78 72 75 66 69 63 0 60 75 75 81 84 78 78 81 69 69 75 72 45 45 69 69 90 90 93 84 78 81 78 72 72 75 75 78 102 99 105 93 93 96 90 90 84 90 105 102 90 90 90 90 78 81 93 90 90 93 87 90 87 87 81 81 96 90
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="479">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.416 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 224.264 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.26278064 0.3807374 0.46700248 0.53320813 0.58741474 0.633397 0.6731592 0.7079128 0.7384494 0.7653056 0.7888639 0.8094102 0.82716537 0.8422861 0.8548998 0.86510295 0.8729712 0.8785542 0.8818902 0.883 0.88244885 0.8807251 0.87784433 0.8738357 0.8686701 0.86226624 0.8546369 0.8458175 0.8357375 0.8243082 0.81150067 0.7972409 0.781555 0.76425964 0.7452149 0.7243747 0.701503 0.67638284 0.6487777 0.61822563 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.582 0.5963333 0.6106667 0.625 0.6393333 0.6536667 0.668 0.68233335 0.69666666 0.711 0.72533333 0.73966664 0.754 0.7683333 0.7826667 0.797 0.81133336 0.82566667 0.84 0.85433334 0.86866665 0.883 0.9650343 1.0391884 1.1109904 1.1828607 1.2562596 1.3323244 1.4120145 1.4962714 1.5860811 1.6825 1.7866602 1.8998047 2.023199 2.158006 2.3051426 2.4648428 2.636273 2.8172097 3.00417 3.19267 3.3785021 3.5581243 3.729205 3.8905187 4.0416007 4.1825404 4.3137403 4.435701 4.549011 4.654245 4.7519145 4.8425384 4.9265532 5.0043426 5.076282 5.1426735 5.203789 5.259881 5.3111563 5.3578043 5.3999863 5.437855 5.471528 5.5011134 5.526707 5.548385 5.56621 5.580236 5.590504 5.5970426 5.599871 5.6 5.5993023 5.596159 5.5905595 5.5825844 5.5723157 5.5598345 5.545223 5.5285625 5.509934 5.4894176 5.467094 5.4430413 5.4173384 5.390061 5.361285 5.3310857 5.2995343 5.2667036 5.2326627 5.1974797 5.161222 5.123954 5.085738 5.0466375 5.0067105 4.9660153 4.924608 4.882544 4.8398747 4.7966514 4.7529235 4.7087374 4.6641397 4.6191745 4.5738835 4.5283074 4.482486 4.436456 4.3902535 4.3439136 4.297468 4.2509494 4.204387 4.1578107 4.1112466 4.0647216 4.0182605 3.9718864 3.9256225 3.8794894 3.8335075 3.7876964 3.7420733 3.696656 3.6514602 3.6065013 3.5617933 3.5173497 3.4731832 3.4293053 3.3857274 3.3424592 3.2995105 3.25689 3.2146063 3.1726665 3.131078 3.0898466 3.0489786 3.0084789 2.9683528 2.9286041 2.8892372 2.850255 2.8116605 2.7734568 2.7356458 2.698229 2.6612086 2.6245854 2.5883603 2.552534 2.5171065 2.4820783 2.4474487 2.4132175 2.3793843 2.3459475 2.3129065 2.28026 2.2480066 2.2161443 2.1846719 2.1535869 2.1228876 2.0925717 2.0626369 2.0330806 2.0039005 1.9750941 1.9466584 1.9185905 1.8908879 1.8635474 1.8365661 1.8099407 1.7836684 1.7577457 1.7321696 1.7069368 1.682044 1.6574878 1.6332648 1.6093718 1.5858052 1.5625618 1.5396379 1.5170302 1.4947354 1.4727497 1.4510698 1.4296924 1.4086138 1.3878306 1.3673395 1.347137 1.3272195 1.3075837 1.2882261 1.2691435 1.2503324 1.2317895 1.2135113 1.1954947 1.1777362 1.1602325 1.1429806 1.125977 1.1092187 1.0927023 1.0764248 1.060383 1.0445738 1.0289941 1.0136409 0.9985111 0.98360175 0.96890986 0.9544325 0.9401667 0.9261097 0.91225857 0.8986105 0.8851626 0.8719123 0.85885674 0.8459932 0.8333191 0.8208318 0.80852854 0.7964069 0.78446424 0.7726981 0.7611059 0.7496853 0.7384337 0.72734886 0.71642834 0.7056698 0.6950709 0.68462944 0.67434305 0.6642096 0.65422684 0.6443926 0.63470477 0.6251612 0.6157598 0.6064985 0.59737533 0.58838826 0.57953525 0.57081443 0.56222385 0.5537616 0.5454258 0.5372146 0.52912617 0.52115875 0.51331055 0.50557977 0.49796477 0.4904638 0.48307514 0.47579724 0.46862838 0.46156698 0.45461145 0.44776022 0.4410118 0.43436462 0.42781717 0.421368 0.41501564 0.40875867 0.40259567 0.39652523 0.390546 0.3846566 0.3788557 0.37314203 0.36751422 0.36197102 0.35651118 0.35113347 0.3458366 0.34061947 0.3354808 0.33041945 0.32543427 0.32052413 0.31568787 0.31092444 0.30623272 0.30161163 0.29706013 0.29257718 0.28816175 0.28381282 0.2795294 0.27531052 0.27115518 0.2670625 0.26303145 0.25906116 0.25515068 0.25129917 0.2475057 0.24376942 0.24008946 0.23646498 0.23289515 0.22937913 0.22591615 0.22250538 0.21914603 0.21583736 0.21257858 0.20936896 0.20620775 0.20309421 0.20002766 0.19700734 0.19403261 0.19110274 0.18821709 0.18537498 0.18257573 0.17981873 0.17710333 0.17442891 0.17179485 0.16920052 0.16664536 0.16412875 0.16165014 0.15920892 0.15680455 0.15443647 0.15210414 0.149807 0.14754455 0.14531624 0.14312157 0.14096004 0.13883112 0.13673435 0.13466924 0.13263531 0.13063207 0.12865908 0.12671588 0.124802016 0.12291705 0.12106054 0.119232066 0.11743119 0.115657516 0.113910615 0.1121901 0.11049556 0.10882661 0.10718285 0.10556392 0.10396944 0.10239904 0.10085235 0.09932901 0.09782868 0.096351005 0.09489565 0.09346227 0.09205054 0.090660125 0.08929071 0.087941974 0.08661361 0.0853053 0.084016755 0.082747675 0.08149775 0.080266714 0.079054266 0.077860124 0.07668403 0.075525686 0.074384846 0.07326123 0.07215459 0.07106466 0.06999119 0.06893394 0.067892656 0.0668671 0.06585703 0.06486222 0.06388243 0.06291745 0.061967038 0.061030984 0.060109068 0.059201077 0.0583068 0.057426028 0.056558564 0.0557042 0.05486274 0.054033995 0.053217765 0.052413862 0.051622104 0.050842308 0.050074287

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.883" PeakHeight="110.0" Num="3" Error="0.0">
-25.923 7.4 -1.061
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.883" EndFrequency="5.6" PeakHeight="224.264" Num="5" zHalfNm="197.45" Error="0.614">
-57.713 10.366 -5.481 1.385 0.179
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0127" EndDistance="6480.001" A="-3.42094302E12" B="1.05584666E9" C="-81468.87" Error="0.0179"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6501.0" A="-1.77430541E12" B="5.4762509E8" C="-42254.246" Error="8.34E-4"/>
<QuasiParabolic ID="2" StartDistance="6501.0" EndDistance="6522.0" A="0.0" B="10334.258" C="-1.250869" Error="0.015"/>
<QuasiParabolic ID="3" StartDistance="6522.0" EndDistance="6541.0" A="1.56575105E11" B="-4.882296E7" C="3805.2612" Error="0.015"/>
<QuasiParabolic ID="4" StartDistance="6541.0" EndDistance="6545.0" A="3.03933424E13" B="-9.2941271E9" C="710524.7" Error="0.0119"/>
<QuasiParabolic ID="5" StartDistance="6545.0" EndDistance="6548.0" A="6.7115391E12" B="-2.05751808E9" C="157689.81" Error="0.00252"/>
<QuasiParabolic ID="6" StartDistance="6548.0" EndDistance="6555.0" A="3.05975421E13" B="-9.3531822E9" C="714780.8" Error="0.0148"/>
<QuasiParabolic ID="7" StartDistance="6555.0" EndDistance="6564.0" A="9.4377309E13" B="-2.88130642E10" C="2199135.0" Error="0.00514"/>
<QuasiParabolic ID="8" StartDistance="6564.0" EndDistance="6594.264" A="-4.078269E13" B="1.23691407E10" C="-937839.9" Error="0.00602"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="63.0" Depth="0.301"/>
<TopsideChapman PeakHeight="224.264" PeakDensity="389081.88" PeakScaleHeight="20.53" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
